Home / 1,291,312,069,936.80-1,782,010,588,361.40-697,367,585,317.29

Finding the Fourth Proportional to 1,291,312,069,936.80, 1,782,010,588,361.40 and 697,367,585,317.29

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Solution

The fourth proportional to 1,291,312,069,936.80, 1,782,010,588,361.40 and 697,367,585,317.29 is: 962,367,230,933.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,312,069,936.80 : 1,782,010,588,361.40 = 697,367,585,317.29 : x
  2. Step 2: Convert to fraction form
    1,291,312,069,936.80/1,782,010,588,361.40 = 697,367,585,317.29/x
  3. Step 3: Cross multiply
    1,291,312,069,936.80x = 1,782,010,588,361.40 × 697,367,585,317.29
  4. Step 4: Simplify right side
    1,291,312,069,936.80x = 1,242,716,421,015,432,717,139,968
  5. Step 5: Solve for x
    x = 1,242,716,421,015,432,717,139,968/1,291,312,069,936.80
  6. Step 6: Final answer
    x = 962,367,230,933.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.